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A vulnerability in the Linux kernel's RDMA/siw (Software iWARP) subsystem allowed a NULL pointer dereference in siw_cm_work_handler() when immediate MPA request processing failed. Specifically, if the MPA request failed immediately, the newly created endpoint would unlink the listening endpoint and become ready to be dropped, but subsequent TCP socket close handling did not account for this, leading to a crash when dereferencing a NULL listener pointer.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
8 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Linux kernel RDMA/siw connection-failure-handling flaw addressed by the Red Hat kernel update.
Linux kernel RDMA/siw connection-failure handling flaw.
Linux kernel RDMA Software iWARP connection-failure handling vulnerability.
Linux kernel software iWARP RDMA connection-failure handling vulnerability.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.